* {
    /*外边距为0*/
    margin: 0;
}

.middle {
    margin: 50px 0;
    display: flex;
    justify-content: center;
}

.middle > div {
    width: 900px;
}

.body {
    display: flex;
    justify-content: center;
}

/*单行溢出*/
.single-over {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

/*多行溢出*/
.many-over {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.title {
    padding: 10px;
    font-size: 30px;
    color: #ff9e60;
}

.border-top {
    border-top: 1px solid gray;
    padding: 10px;

}
.font-title{
    font-family: 黑体;
    font-size: 20px;
    color: black;
}
.font-content{
    color: gray;
    font-size: 15px;
}
